CN110410102B - Construction method for removing interlayer lining of operating high-speed rail tunnel - Google Patents
Construction method for removing interlayer lining of operating high-speed rail tunnel Download PDFInfo
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- CN110410102B CN110410102B CN201910778635.7A CN201910778635A CN110410102B CN 110410102 B CN110410102 B CN 110410102B CN 201910778635 A CN201910778635 A CN 201910778635A CN 110410102 B CN110410102 B CN 110410102B
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- 239000011229 interlayer Substances 0.000 title claims abstract description 78
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 238000005520 cutting process Methods 0.000 claims abstract description 91
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/12—Temporary supports for use during building; Accessories
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a construction method for removing an operating high-speed rail tunnel interlayer lining, which belongs to the field of tunnel lining construction and comprises the following steps: determining a dismantling area of the interlayer lining and erecting a temporary protection frame below the interlayer lining to be dismantled; utilizing a cutting machine to perform a plurality of groups of annular cutting seams on the interlayer lining along the annular direction of the tunnel, and performing a plurality of groups of longitudinal cutting seams on the interlayer lining along the longitudinal direction of the tunnel; sequentially removing the interlayer lining blocks formed by cutting the longitudinal joint cuts and the annular joint cuts, cleaning the lining surface of the newly exposed part of the tunnel after removing the interlayer lining, and fixing the temporary protective frame on the lining of the newly exposed part; the invention can remove the interlayer lining without influencing the existing traffic operation, simultaneously avoids the phenomena of slag falling on the surface of the lining and the like to influence the transportation of high-speed rails, and ensures the operation safety after the 'skylight' is finished.
Description
Technical Field
The invention relates to the field of tunnel lining construction, in particular to a construction method for removing an operating high-speed rail tunnel interlayer lining.
Background
With the continuous and rapid development of the economy of China, the transportation volume of high-speed railways in China is increased rapidly. However, in the construction process of the high-speed rail tunnel, the situation that an interlayer lining is formed due to the positioning error of adjacent lining templates may occur, and the interlayer lining in the tunnel can cause great potential safety hazards to the high-speed rail in the operation period. The existing solution is that the traffic operation management department closes the tunnel, and adopts the treatment measures of interrupting traffic and performing tunnel construction, thereby influencing the traveling of the nation, increasing the burden of peripheral lines and further hindering the development of regional economy. Therefore, it is necessary to develop a new method for demolishing the sandwich lining without interrupting the traffic.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a construction method for removing an operating high-speed rail tunnel interlayer lining, and the specific technical scheme is as follows:
a construction method for removing an interlayer lining of an operating high-speed rail tunnel sequentially comprises the following steps:
(S1): determining a dismantling area of the interlayer lining and erecting a temporary protection frame below the interlayer lining to be dismantled;
(S2): utilizing a cutting machine to perform a plurality of groups of annular cutting seams on the interlayer lining along the annular direction of the tunnel, and performing a plurality of groups of longitudinal cutting seams on the interlayer lining along the longitudinal direction of the tunnel;
(S3): sequentially removing interlayer lining blocks formed by cutting through the longitudinal joint seams and the annular joint seams under the protection of the temporary protection frame, and transporting the removed interlayer lining blocks out of the high-speed rail tunnel;
(S4): cleaning the lining surface of the newly exposed part of the tunnel after the interlayer lining is removed, and fixing a temporary protective frame on the lining of the newly exposed part;
(S5): and spraying a repairing layer on the newly exposed and lined damaged part of the tunnel, and then removing the temporary protective frame.
The temporary protection frame is adopted to isolate the high-speed rail traffic channel and the construction reserved space, and the interlayer lining can be dismantled under the condition that the existing traffic operation is not influenced. In the step (S2), the interlayer lining is cut into a plurality of interlayer lining blocks by adopting the cooperation of the annular cutting seam and the longitudinal cutting seam, and the interlayer lining blocks are gradually removed, so that the bearing of the support is reduced, the original rock strength is protected, the stability of the rock stratum is enhanced, the collapse of an expansion area is prevented, and the safety of constructors and high-speed rails is ensured.
Preferably, in the step (S2), when the thickness of the sandwich lining is large, the cutting is performed in several times, and the method sequentially comprises the following steps:
(s 1): cutting the surface of the interlayer lining by using a cutting machine to form two circumferential kerfs or longitudinal kerfs, and then chiseling concrete between the two kerfs to form a cutting groove;
(s 2): and then, cutting for the second time in the cutting groove by using a cutting machine until the depth of the cutting seam is the same as the thickness of the interlayer lining.
The invention can make the cutting machine cut the interlayer lining more quickly and effectively by cutting the interlayer lining with larger thickness in a grading way, thereby improving the cutting efficiency, and meanwhile, the cutting machine can still keep higher cutting precision under the condition of deeper cutting depth by adopting the method of forming the cutting groove and then carrying out secondary cutting.
Preferably, the distance between the two slits in the step (s1) is greater than the width of the cutter and is not less than 2 cm.
The invention ensures that the distance between the two cutting seams is larger than the width of the cutting tool and is not less than 2cm, thereby avoiding the cutting precision from being influenced by the deviation of the cutting machine in the cutting process caused by overlarge distance between the two cutting seams.
Preferably, in the step (4), when the removal of the sandwich lining blocks is not completed in the time of 'skylight' of the secondary railway operation, a temporary protective frame is used for supporting and propping on the lining surface of the newly exposed part.
According to the invention, the temporary protection frame is supported on the surface of the newly exposed lining, so that the influence on high-speed rail transportation caused by the slag falling phenomenon on the surface of the newly exposed lining is avoided, and the operation safety after the 'skylight' is finished is ensured.
Preferably, in the step (S2), when the thickness of the sandwich lining is small, the cutting is completed by a cutter at one time.
Preferably, the temporary protection frame in the step (S1) includes a steel frame, protection plates disposed on the steel frame, and pulleys disposed at two ends of the steel frame, and the temporary protection frame should avoid the circumferential cutting position when being erected.
The movable temporary protection frame is adopted to isolate a traffic channel and a construction reserved space, and after the interlayer lining in one stage is removed, the temporary protection frame is moved to the next removal area, so that the use materials of the temporary protection frame are saved, and the construction cost is reduced.
Preferably, in the kerf cutting and the removal of the sandwich lining blocks in the steps (S2) and (S3), protective measures are taken for the contact net, the ballast bed and the steel rail.
In the process of cutting a joint and removing the interlayer lining block, the invention takes protective measures for the contact net, the ballast bed and the steel rail, and avoids the adverse effect of residues formed in the process of cutting the joint and removing the interlayer lining block on the operation of a high-speed rail.
Preferably, the repair layer in the step (S5) is a high-permeability, high-durability epoxy resin.
According to the invention, the epoxy resin with high permeability and high durability is adopted to repair the surface of the newly exposed lining, so that the stability of the lining is ensured.
Preferably, the longitudinal distance between adjacent circumferential slits in the step (S2) is 30cm to 50 cm.
Preferably, the circumferential spacing of adjacent longitudinal slits in step (S2) is 50cm to 80 cm.
The invention has the following beneficial effects:
the temporary protection frame is adopted to isolate the high-speed rail traffic channel and the construction reserved space, and the interlayer lining can be dismantled under the condition that the existing traffic operation is not influenced. In the step (S2), the interlayer lining is cut into a plurality of interlayer lining blocks by adopting the cooperation of the annular cutting seam and the longitudinal cutting seam, the interlayer lining blocks are gradually removed, the bearing of the support is lightened, the original rock strength is protected, the stability of the rock stratum is enhanced, the expansion area is prevented from collapsing, the safety of constructors and high-speed rails is ensured, meanwhile, the phenomena of slag falling on the surface of the lining and the like are avoided, the high-speed rail transportation is influenced, and the operation safety after the 'skylight' is finished is ensured.
Drawings
FIG. 1 is a schematic structural view of a cross section of a tunnel according to the present invention;
FIG. 2 is a schematic plan view of circumferential slits and longitudinal slits of the present invention;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
fig. 4 is a schematic structural view of the temporary protection frame of the present invention.
In the figure: 1-interlayer lining; 2-temporary protective frames; 3-circumferential cutting and sewing; 4-longitudinally cutting a seam; 5-interlayer lining block.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
Referring to fig. 1 to 4, the invention provides a construction method for removing an operating high-speed rail tunnel interlayer lining, which sequentially comprises the following steps:
(S1): determining a dismantling area of the interlayer lining and erecting a temporary protection frame below the interlayer lining to be dismantled; and a high-speed rail traffic channel and a construction reserved space are isolated, and the interlayer lining can be dismantled under the condition that the existing traffic operation is not influenced. The temporary protection frame comprises a steel frame, protection plates arranged on the steel frame and pulleys arranged at two ends of the steel frame, and the annular joint-cutting positions are avoided when the temporary protection frame is erected. The movable temporary protection frame is adopted to isolate a traffic channel and a construction reserved space, when the interlayer lining in one stage is removed, the temporary protection frame is moved to the next removal area, the used materials of the temporary protection frame are saved, and the construction cost is reduced.
(S2): and (3) constructing a plurality of groups of annular cutting seams on the interlayer lining along the annular direction of the tunnel by using a cutting machine, wherein the longitudinal distance between every two adjacent annular cutting seams is 40 cm. And constructing a plurality of groups of longitudinal cutting seams on the interlayer lining along the longitudinal direction of the tunnel; the circumferential spacing of adjacent longitudinal slits is 65 cm.
(S3): and sequentially removing the interlayer lining blocks formed by cutting through the longitudinal cutting seams and the annular cutting seams under the protection of the temporary protection frame, finishing one-time cutting by using a cutting machine when the thickness of the interlayer lining is smaller, and conveying the removed interlayer lining blocks out of the high-speed rail tunnel. When the joint cutting and the interlayer lining block are removed, protective measures need to be taken on the contact net, the ballast bed and the steel rail, and the adverse effect on the high-speed rail operation caused by residues formed in the joint cutting and interlayer lining block removing processes is avoided.
The invention adopts the cooperation of the annular cutting seam and the longitudinal cutting seam to cut the interlayer lining into a plurality of interlayer lining building blocks which are gradually removed, thereby eliminating the potential safety hazard of the interlayer lining to railway operation.
(S4): and cleaning the lining surface of the newly exposed part of the tunnel after the interlayer lining is removed, and fixing the temporary protective frame on the lining of the newly exposed part. In the time of operating the 'skylight' of the secondary railway, when the interlayer lining building blocks are not completely removed, the temporary protective frame is required to be supported on the surface of the newly exposed lining, so that the phenomenon that the slag falls on the surface of the newly exposed lining to influence the transportation of high-speed rails is avoided, and the operation safety after the 'skylight' is finished is ensured.
(S5): and spraying a repairing layer on the newly exposed and lined damaged part of the tunnel, and then removing the temporary protective frame. The repairing layer is made of high-permeability and high-durability epoxy resin, and the surface of the newly exposed lining is repaired by adopting the high-permeability and high-durability epoxy resin as a material, so that the stability of the lining is ensured.
The temporary protection frame is adopted to isolate the high-speed rail traffic channel and the construction reserved space, and the interlayer lining can be dismantled under the condition that the existing traffic operation is not influenced. The interlayer lining is cut into a plurality of interlayer lining building blocks by adopting the cooperation of the annular cutting seam and the longitudinal cutting seam, the interlayer lining is gradually removed, the potential safety hazard of the interlayer lining to railway operation is eliminated, the safety of constructors and high-speed rails is ensured, meanwhile, the phenomena of slag falling and the like in the lining interlayer removing process are avoided to influence the transportation of the high-speed rails, and the operation safety after the 'skylight' is finished is ensured.
Example 2
The construction method for removing and operating the high-speed railway tunnel sandwich lining of the embodiment is basically the same as that of the embodiment 1, except that in the step (S2), when the thickness of the sandwich lining is larger, the sandwich lining needs to be cut in multiple times, and the construction method sequentially comprises the following steps:
(s 1): and cutting the surface of the interlayer lining by using a cutting machine to form two annular slits or longitudinal slits, and then chiseling the concrete between the two slits to form a cutting groove. The distance between the two cutting seams is larger than the width of the cutting tool and is not less than 2cm, so that the cutting machine is ensured to have an operation space in the groove formed by chiseling.
(s 2): and then, cutting for the second time in the cutting groove by using a cutting machine until the depth of the cutting seam is the same as the thickness of the interlayer lining. The invention can make the cutting machine cut the interlayer lining more quickly and effectively by cutting the interlayer lining with larger thickness in a grading way, thereby improving the cutting efficiency, and meanwhile, the cutting machine can still keep higher cutting precision under the condition of deeper cutting depth by adopting the method of forming the cutting groove and then carrying out secondary cutting.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A construction method for removing an interlayer lining of an operating high-speed rail tunnel is characterized by sequentially comprising the following steps:
(S1): determining a dismantling area of the interlayer lining and erecting a temporary protection frame below the interlayer lining to be dismantled;
(S2): utilizing a cutting machine to perform a plurality of groups of annular cutting seams on the interlayer lining along the annular direction of the tunnel, and performing a plurality of groups of longitudinal cutting seams on the interlayer lining along the longitudinal direction of the tunnel; the longitudinal distance between adjacent annular cutting seams is 30cm to 50 cm; the circumferential distance between adjacent longitudinal cutting seams is 50cm to 80 cm;
when the thickness of the interlayer lining is larger, the interlayer lining needs to be cut in times, and the method sequentially comprises the following steps:
(s 1): cutting the surface of the interlayer lining by using a cutting machine to form two circumferential kerfs or longitudinal kerfs, and then chiseling concrete between the two kerfs to form a cutting groove;
(s 2): cutting for the second time in the cutting groove by using a cutting machine until the depth of the cutting seam is the same as the thickness of the interlayer lining;
(S3): sequentially removing interlayer lining blocks formed by cutting through the longitudinal joint seams and the annular joint seams under the protection of the temporary protection frame, and transporting the removed interlayer lining blocks out of the high-speed rail tunnel;
(S4): cleaning the lining surface of the newly exposed part of the tunnel after the interlayer lining is removed, and fixing a temporary protective frame on the lining of the newly exposed part;
(S5): and spraying a repairing layer on the newly exposed and lined damaged part of the tunnel, and then removing the temporary protective frame.
2. The method of demolishing a lining of a high-speed railway tunnel according to claim 1, wherein the distance between two slits in the step (s1) is greater than the width of the cutter and is not less than 2 cm.
3. The construction method for demolishing and operating the sandwich lining of the high-speed railway tunnel according to claim 1, wherein in the step (S4), when demolishing of the sandwich lining blocks is not completed within the time of operating "skylight" of the secondary railway, it is required to prop up the newly exposed lining surface with a temporary protection frame.
4. The construction method for demolishing and operating the sandwich lining of the high-speed railway tunnel according to claim 1, wherein the step (S2) is performed by cutting the sandwich lining once with a cutter when the thickness of the sandwich lining is small.
5. The method of demolishing a lining of a high speed railway tunnel according to claim 1, wherein the temporary protection frame of the step (S1) comprises a steel frame, protection plates installed on the steel frame, and pulleys installed at both ends of a bottom beam of the steel frame, and the temporary protection frame is installed to avoid the circumferential cutting position.
6. The method of demolishing a lining of a high speed railway tunnel according to claim 1, wherein the steps (S2) and (S3) of the slitting and cutting and the demolition of the lining blocks require protective measures for the contact nets, the ballast beds and the steel rails.
7. The construction method for demolishing and operating the sandwich lining of the high-speed railway tunnel according to claim 1, wherein the lining surface damage repairing layer in the step (S5) is sprayed with high-permeability and high-durability epoxy resin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910778635.7A CN110410102B (en) | 2019-08-22 | 2019-08-22 | Construction method for removing interlayer lining of operating high-speed rail tunnel |
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| CN201910778635.7A CN110410102B (en) | 2019-08-22 | 2019-08-22 | Construction method for removing interlayer lining of operating high-speed rail tunnel |
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| CN110410102B true CN110410102B (en) | 2021-05-18 |
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| CN112692537A (en) * | 2020-12-29 | 2021-04-23 | 中铁科工集团轨道交通装备有限公司 | Construction process for cutting and dismantling runner chamber |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08260494A (en) * | 1995-03-24 | 1996-10-08 | Hitachi Zosen Corp | Movable type form device for manufacture immersed tunnel |
| JP3038316B2 (en) * | 1996-10-30 | 2000-05-08 | 日本道路公団 | Tunnel sheet stretching method and tunnel sheet |
| CN104100278A (en) * | 2014-07-08 | 2014-10-15 | 中铁十六局集团第五工程有限公司 | Construction method for demolishing original arch frames and primarily supporting windings of transition sections of tunnels |
| CN105019942A (en) * | 2015-07-20 | 2015-11-04 | 甘肃路桥建设集团有限公司 | Method for dismounting second-lined reinforced concrete in tunnel |
| CN105781571A (en) * | 2016-03-11 | 2016-07-20 | 中交第二公路工程局有限公司 | Construction method for soft rock deformation tunnel lining support dismantling-replacing arch |
| CN106643365A (en) * | 2016-12-13 | 2017-05-10 | 中铁十九局集团第二工程有限公司 | Tunnel waste second lining blasting demolition and repairing construction method |
| CN107676107A (en) * | 2017-09-20 | 2018-02-09 | 中铁十四局集团有限公司 | Tunnel reinforcement crack treatment method |
| CN109291256A (en) * | 2018-10-30 | 2019-02-01 | 中铁十局集团第五工程有限公司 | The automation ring cutting trolley quickly removed for existing disease tunnel lining concrete |
| CN109291257A (en) * | 2018-10-30 | 2019-02-01 | 中铁十局集团第五工程有限公司 | The quick method for dismounting of tunnel lining concrete |
| CN109693222A (en) * | 2019-03-04 | 2019-04-30 | 交通运输部公路科学研究所 | Equipment and application method are removed in a kind of self-propelled tunnel-liner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843332B (en) * | 2018-07-15 | 2019-11-29 | 中铁二十局集团有限公司 | Pass through fault belt large cross-section tunnel excavation and method for protecting support |
| CN109594993A (en) * | 2019-01-23 | 2019-04-09 | 四川交通职业技术学院 | A kind of tunnel enlarging construction method in the case of uninterrupted traffic |
| CN110065167B (en) * | 2019-04-23 | 2021-05-28 | 中铁十一局集团第五工程有限公司 | Tunnel secondary lining concrete and rock cutting mechanism, cutting equipment and cutting method |
-
2019
- 2019-08-22 CN CN201910778635.7A patent/CN110410102B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08260494A (en) * | 1995-03-24 | 1996-10-08 | Hitachi Zosen Corp | Movable type form device for manufacture immersed tunnel |
| JP3038316B2 (en) * | 1996-10-30 | 2000-05-08 | 日本道路公団 | Tunnel sheet stretching method and tunnel sheet |
| CN104100278A (en) * | 2014-07-08 | 2014-10-15 | 中铁十六局集团第五工程有限公司 | Construction method for demolishing original arch frames and primarily supporting windings of transition sections of tunnels |
| CN105019942A (en) * | 2015-07-20 | 2015-11-04 | 甘肃路桥建设集团有限公司 | Method for dismounting second-lined reinforced concrete in tunnel |
| CN105781571A (en) * | 2016-03-11 | 2016-07-20 | 中交第二公路工程局有限公司 | Construction method for soft rock deformation tunnel lining support dismantling-replacing arch |
| CN106643365A (en) * | 2016-12-13 | 2017-05-10 | 中铁十九局集团第二工程有限公司 | Tunnel waste second lining blasting demolition and repairing construction method |
| CN107676107A (en) * | 2017-09-20 | 2018-02-09 | 中铁十四局集团有限公司 | Tunnel reinforcement crack treatment method |
| CN109291256A (en) * | 2018-10-30 | 2019-02-01 | 中铁十局集团第五工程有限公司 | The automation ring cutting trolley quickly removed for existing disease tunnel lining concrete |
| CN109291257A (en) * | 2018-10-30 | 2019-02-01 | 中铁十局集团第五工程有限公司 | The quick method for dismounting of tunnel lining concrete |
| CN109693222A (en) * | 2019-03-04 | 2019-04-30 | 交通运输部公路科学研究所 | Equipment and application method are removed in a kind of self-propelled tunnel-liner |
Non-Patent Citations (2)
| Title |
|---|
| 《既有隧道衬砌结构拆除作业风险分析》;吴建军;《现代隧道技术》;20181130;第55卷;第882-886页 * |
| 《铁路隧道二衬顶部脱空受力分析及整治措施》;李爱成等;《隧道/地下工程》;20190720;第96-99页 * |
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Inventor after: Wang Lichuan Inventor after: Liu Zhiqiang Inventor after: Sun Xuefei Inventor after: Gong Lun Inventor after: Wang Shijie Inventor after: Fan Yongjie Inventor after: Tan Wenxin Inventor after: Wu Jian Inventor after: Zhu Yuesheng Inventor after: Yang Guanghua Inventor after: Xie Xiaolong Inventor before: Wang Lichuan Inventor before: Gong Lun Inventor before: Wang Shijie Inventor before: Fan Yongjie Inventor before: Wu Jian Inventor before: Liu Zhiqiang Inventor before: Sun Xuefei |
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Effective date of registration: 20240415 Address after: 300000 Shuanggang Township, Jinnan District, Tianjin Patentee after: CHINA RAILWAY 18 BUREAU GROUP Co.,Ltd. Country or region after: China Patentee after: SOUTHWEST JIAOTONG University Patentee after: CHINA RAILWAY SOUTHWEST RESEARCH INSTITUTE Co.,Ltd. Address before: 610031 No. two, section 111, ring road, Chengdu, Sichuan, China Patentee before: SOUTHWEST JIAOTONG University Country or region before: China |